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Molecular Interaction and Evolution of Jasmonate Signaling With Transport and Detoxification of Heavy Metals and Metalloids in Plants

文献类型： 外文期刊

作者： Chen, Xuan 1 ; Jiang, Wei 1 ; Tong, Tao 1 ; Chen, Guang 2 ; Zeng, Fanrong 1 ; Jang, Sunghoon 3 ; Gao, Wei 4 ; Li, Zhen 5 ; M 1 ;

作者机构： 1.Yangtze Univ, Coll Agr, Collaborat Innovat Ctr Grain Ind, Jingzhou, Peoples R China

2.Zhejiang Acad Agr Sci, Lab Cent, Hangzhou, Peoples R China

3.Pohang Univ Sci & Technol, Dept Life Sci, Pohang, South Korea

4.Henan Univ, State Key Lab Crop Stress Adaptat & Improvement, Kaifeng, Peoples R China

5.Jinhua Polytech, Sch Agr, Jinhua, Zhejiang, Peoples R China

6.Western Sydney Univ, Sch Sci, Penrith, NSW, Australia

7.Western Sydney Univ, Hawkesbury Inst Environm, Penrith, NSW, Australia

关键词： jasmonic acid; plant evolution; comparative genomics; cadmium; arsenic; detoxification

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.402； 五年影响因子：5.207 ）

ISSN： 1664-462X

年卷期： 2021 年 12 卷

页码：

收录情况： SCI

摘要： An increase in environmental pollution resulting from toxic heavy metals and metalloids [e.g., cadmium (Cd), arsenic (As), and lead (Pb)] causes serious health risks to humans and animals. Mitigation strategies need to be developed to reduce the accumulation of the toxic elements in plant-derived foods. Natural and genetically-engineered plants with hyper-tolerant and hyper-accumulating capacity of toxic minerals are valuable for phytoremediation. However, the molecular mechanisms of detoxification and accumulation in plants have only been demonstrated in very few plant species such as Arabidopsis and rice. Here, we review the physiological and molecular aspects of jasmonic acid and the jasmonate derivatives (JAs) in response to toxic heavy metals and metalloids. Jasmonates have been identified in, limiting the accumulation and enhancing the tolerance to the toxic elements, by coordinating the ion transport system, the activity of antioxidant enzymes, and the chelating capacity in plants. We also propose the potential involvement of Ca2+ signaling in the stress-induced production of jasmonates. Comparative transcriptomics analyses using the public datasets reveal the key gene families involved in the JA-responsive routes. Furthermore, we show that JAs may function as a fundamental phytohormone that protects plants from heavy metals and metalloids as demonstrated by the evolutionary conservation and diversity of these gene families in a large number of species of the major green plant lineages. Using ATP-Binding Cassette G (ABCG) transporter subfamily of six representative green plant species, we propose that JA transporters in Subgroup 4 of ABCGs may also have roles in heavy metal detoxification. Our paper may provide guidance toward the selection and development of suitable plant and crop species that are tolerant to toxic heavy metals and metalloids.

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